diff --git a/README.md b/README.md
index efe556227..ef32bf756 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-[![Build Status](https://gitlab.com/go-kivik/kivik/badges/master/pipeline.svg)](https://gitlab.com/go-kivik/kivik/pipelines) [![Codecov](https://img.shields.io/codecov/c/github/go-kivik/kivik.svg?style=flat)](https://codecov.io/gh/go-kivik/kivik) [![Go Report Card](https://goreportcard.com/badge/github.com/go-kivik/kivik)](https://goreportcard.com/report/github.com/go-kivik/kivik) [![GoDoc](https://godoc.org/github.com/go-kivik/kivik?status.svg)](https://pkg.go.dev/github.com/go-kivik/kivik/v4) [![Website](https://img.shields.io/website-up-down-green-red/http/kivik.io.svg?label=website&colorB=007fff)](http://kivik.io)
+[![Build Status](https://gitlab.com/go-kivik/kivik/badges/master/pipeline.svg)](https://gitlab.com/go-kivik/kivik/pipelines) [![Codecov](https://img.shields.io/codecov/c/github/go-kivik/kivik.svg?style=flat)](https://codecov.io/gh/go-kivik/kivik) [![Go Report Card](https://goreportcard.com/badge/github.com/go-kivik/kivik)](https://goreportcard.com/report/github.com/go-kivik/kivik) [![Go Reference](https://pkg.go.dev/badge/github.com/go-kivik/kivik/v4.svg)](https://pkg.go.dev/github.com/go-kivik/kivik/v4) [![Website](https://img.shields.io/website-up-down-green-red/http/kivik.io.svg?label=website&colorB=007fff)](http://kivik.io)
 
 # Kivik
 
@@ -58,9 +58,8 @@ Consult the [CLI README](https://github.com/go-kivik/kivik/blob/master/cmd/kivik
 
 # Example Usage
 
-Please consult the the [package documentation](https://godoc.org/github.com/go-kivik/kivik)
-for all available API methods, and a complete usage documentation.  And for
-additional usage examples, [consult the wiki](https://github.com/go-kivik/kivik/wiki/Usage-Examples).
+Please consult the the [package documentation](https://pkg.go.dev/github.com/go-kivik/kivik/v4)
+for all available API methods, and a complete usage documentation, and usage examples.
 
 ```go
 package main
diff --git a/couchdb/README.md b/couchdb/README.md
index bfb66135c..e3a2f8474 100644
--- a/couchdb/README.md
+++ b/couchdb/README.md
@@ -1,4 +1,4 @@
-[![Build Status](https://travis-ci.org/go-kivik/couchdb.svg?branch=master)](https://travis-ci.org/go-kivik/couchdb) [![Codecov](https://img.shields.io/codecov/c/github/go-kivik/couchdb.svg?style=flat)](https://codecov.io/gh/go-kivik/couchdb) [![GoDoc](https://godoc.org/github.com/go-kivik/couchdb?status.svg)](http://godoc.org/github.com/go-kivik/couchdb)
+[![Go Reference](https://pkg.go.dev/badge/github.com/go-kivik/kivik/v4/couchdb.svg)](https://pkg.go.dev/github.com/go-kivik/kivik/v4/couchdb)
 
 # Kivik CouchDB
 
@@ -7,11 +7,9 @@ CouchDB driver for [Kivik](https://github.com/go-kivik/kivik).
 ## Usage
 
 This package provides an implementation of the
-[`github.com/go-kivik/kivik/v4/driver`](http://godoc.org/github.com/go-kivik/kivik/driver)
+[`github.com/go-kivik/kivik/v4/driver`](http://pkg.go.dev/github.com/go-kivik/kivik/v4/driver)
 interface. You must import the driver and can then use the full
-[`Kivik`](http://godoc.org/github.com/go-kivik/kivik) API. Please consult the
-[Kivik wiki](https://github.com/go-kivik/kivik/wiki) for complete documentation
-and coding examples.
+[`Kivik`](http://pkg.go.dev/github.com/go-kivik/kivik/v4) API.
 
 ```go
 package main
diff --git a/db_example_test.go b/db_example_test.go
index 64022126d..fb0d45232 100644
--- a/db_example_test.go
+++ b/db_example_test.go
@@ -14,6 +14,7 @@ package kivik_test
 
 import (
 	"context"
+	"encoding/json"
 	"fmt"
 
 	kivik "github.com/go-kivik/kivik/v4"
@@ -103,22 +104,83 @@ func ExampleDB_updateView() {
 }
 
 func ExampleDB_query() {
-	rows := db.Query(context.TODO(), "_design/foo", "_view/bar", kivik.Params(map[string]interface{}{
+	rs := db.Query(context.TODO(), "_design/foo", "_view/bar", kivik.Params(map[string]interface{}{
 		"startkey": `"foo"`,                           // Quotes are necessary so the
 		"endkey":   `"foo` + kivik.EndKeySuffix + `"`, // key is a valid JSON object
 	}))
-	if err := rows.Err(); err != nil {
-		panic(err)
+	defer rs.Close()
+	for rs.Next() {
+		var doc interface{}
+		if err := rs.ScanDoc(&doc); err != nil {
+			panic(err)
+		}
+		/* do something with doc */
 	}
-	for rows.Next() {
+	if rs.Err() != nil {
+		panic(rs.Err())
+	}
+}
+
+func ExampleDB_query_compound_key() {
+	rs := db.Query(context.TODO(), "_design/foo", "_view/bar", kivik.Params(map[string]interface{}{
+		"startkey": []string{"foo", "bar"},
+		"endkey":   []string{"foo", "bar" + kivik.EndKeySuffix},
+	}))
+	defer rs.Close()
+	for rs.Next() {
 		var doc interface{}
-		if err := rows.ScanDoc(&doc); err != nil {
+		if err := rs.ScanDoc(&doc); err != nil {
 			panic(err)
 		}
 		/* do something with doc */
 	}
-	if rows.Err() != nil {
-		panic(rows.Err())
+	if rs.Err() != nil {
+		panic(rs.Err())
+	}
+}
+
+func ExampleDB_query_literal_JSON_keys() {
+	rs := db.Query(context.TODO(), "_design/foo", "_view/bar", kivik.Param(
+		"startkey", json.RawMessage(`{"foo":true}`),
+	))
+	defer rs.Close()
+	for rs.Next() {
+		var doc interface{}
+		if err := rs.ScanDoc(&doc); err != nil {
+			panic(err)
+		}
+		/* do something with doc */
+	}
+	if rs.Err() != nil {
+		panic(rs.Err())
+	}
+}
+
+func ExampleDB_multiple_queries() {
+	rs := db.Query(context.TODO(), "_design/foo", "_view/bar", kivik.Param(
+		"queries", []interface{}{
+			map[string]interface{}{
+				"startkey":     []string{"foo", "bar"},
+				"endkey":       []string{"foo", "bar" + kivik.EndKeySuffix},
+				"include_docs": true,
+			},
+			map[string]interface{}{
+				"startkey":     []string{"baz", "bar"},
+				"endkey":       []string{"baz", "bar" + kivik.EndKeySuffix},
+				"include_docs": true,
+			},
+		}))
+	defer rs.Close()
+	var rsIndex int
+	for rs.NextResultSet() {
+		rsIndex++
+		for rs.Next() {
+			var doc interface{}
+			if err := rs.ScanDoc(&doc); err != nil {
+				panic(err)
+			}
+			/* do something with doc */
+		}
 	}
 }
 
diff --git a/doc.go b/doc.go
index 9058c3114..25622853c 100644
--- a/doc.go
+++ b/doc.go
@@ -31,6 +31,9 @@ The kivik driver system is modeled after the standard library's `sql` and
 the different database models implemented by SQL and NoSQL databases such as
 CouchDB.
 
+The most methods, including those on [Client] and [DB] are safe to call
+concurrently, unless otherwise noted.
+
 # Working with JSON
 
 CouchDB stores JSON, so Kivik translates Go data structures to and from JSON as
@@ -38,9 +41,6 @@ necessary. The conversion from Go data types to JSON, and vice versa, is
 handled automatically according to the rules and behavior described in the
 documentation for the standard library's [encoding/json] package.
 
-One would be well-advised to become familiar with using `json` struct field
-tags [encoding/json.Marshal] when working with JSON documents.
-
 # Options
 
 Most client and database methods take optional arguments of the type [Option].
diff --git a/mockdb/README.md b/mockdb/README.md
index ff4511808..3880f7a4d 100644
--- a/mockdb/README.md
+++ b/mockdb/README.md
@@ -1,3 +1,5 @@
+[![Go Reference](https://pkg.go.dev/badge/github.com/go-kivik/kivik/v4/x/mockdb.svg)](https://pkg.go.dev/github.com/go-kivik/kivik/v4/x/mockdb)
+
 # MockDB
 
 Package **mockdb** is a mock library implementing a Kivik driver.
diff --git a/pouchdb/README.md b/pouchdb/README.md
index 1174ae4b5..b129d16d9 100644
--- a/pouchdb/README.md
+++ b/pouchdb/README.md
@@ -1,4 +1,4 @@
-[![Build Status](https://travis-ci.org/go-kivik/pouchdb.svg?branch=master)](https://travis-ci.org/go-kivik/pouchdb)  [![GoDoc](https://godoc.org/github.com/go-kivik/pouchdb?status.svg)](http://godoc.org/github.com/go-kivik/pouchdb)
+[![Go Reference](https://pkg.go.dev/badge/github.com/go-kivik/kivik/v4/pouchdb.svg)](https://pkg.go.dev/github.com/go-kivik/kivik/v4/pouchdb)
 
 # Kivik PouchDB
 
@@ -17,11 +17,9 @@ with Kivik as an example.
 ## Usage
 
 This package provides an implementation of the
-[`github.com/go-kivik/kivik/driver`](http://godoc.org/github.com/go-kivik/kivik/driver)
+[`github.com/go-kivik/kivik/v4/driver`](http://pkg.go.dev/github.com/go-kivik/kivik/v4/driver)
 interface. You must import the driver and can then use the full
-[`Kivik`](http://godoc.org/github.com/go-kivik/kivik) API. Please consult the
-[Kivik wiki](https://github.com/go-kivik/kivik/wiki) for complete documentation
-and coding examples.
+[`Kivik`](http://pkg.go.dev/github.com/go-kivik/kivik/v4) API.
 
 ```go
 // +build js
diff --git a/x/fsdb/README.md b/x/fsdb/README.md
index 8b681c4e2..ebb1f0a86 100644
--- a/x/fsdb/README.md
+++ b/x/fsdb/README.md
@@ -1,4 +1,4 @@
-[![GoDoc](https://godoc.org/github.com/go-kivik/kivik/v4/x/fsdb?status.svg)](http://godoc.org/github.com/go-kivik/kivik/v4/x/fsdb)
+[![Go Reference](https://pkg.go.dev/badge/github.com/go-kivik/kivik/v4/x/fsdb.svg)](https://pkg.go.dev/github.com/go-kivik/kivik/v4/x/fsdb)
 
 # Kivik FSDB
 
@@ -13,11 +13,9 @@ This is very much a work in progress. Things are expected to change quickly.
 ## Usage
 
 This package provides an implementation of the
-[`github.com/go-kivik/kivik/driver`](http://godoc.org/github.com/go-kivik/kivik/driver)
+[`github.com/go-kivik/kivik/driver`](http://pkg.go.dev/github.com/go-kivik/kivik/v4/driver)
 interface. You must import the driver and can then use the full
-[`Kivik`](http://godoc.org/github.com/go-kivik/kivik) API. Please consult the
-[Kivik wiki](https://github.com/go-kivik/kivik/wiki) for complete documentation
-and coding examples.
+[`Kivik`](http://pkg.go.dev/github.com/go-kivik/kivik/v4) API.
 
 ```go
 package main
diff --git a/x/mango/README.md b/x/mango/README.md
index 80e55c26e..6d8b429d4 100644
--- a/x/mango/README.md
+++ b/x/mango/README.md
@@ -1,4 +1,4 @@
-[![GoDoc](https://godoc.org/github.com/go-kivik/kivik/v4/x/mango?status.svg)](http://godoc.org/github.com/go-kivik/kivik/v4/x/mango)
+[![Go Reference](https://pkg.go.dev/badge/github.com/go-kivik/kivik/v4/x/mango.svg)](https://pkg.go.dev/github.com/go-kivik/kivik/v4/x/mango)
 
 # Mango
 
diff --git a/x/memorydb/README.md b/x/memorydb/README.md
index 50d65beab..26db82296 100644
--- a/x/memorydb/README.md
+++ b/x/memorydb/README.md
@@ -1,4 +1,4 @@
-[![GoDoc](https://godoc.org/github.com/go-kivik/kivik/v4/x/memorydb?status.svg)](http://godoc.org/github.com/go-kivik/kivik/v4/x/memorydb)
+[![Go Reference](https://pkg.go.dev/badge/github.com/go-kivik/kivik/v4/x/memorydb.svg)](https://pkg.go.dev/github.com/go-kivik/kivik/v4/x/memorydb)
 
 # Kivik MemoryDB
 
@@ -9,11 +9,9 @@ This driver stores documents in memory only, and is intended for testing purpose
 ## Usage
 
 This package provides an implementation of the
-[`github.com/go-kivik/kivik/driver`](http://godoc.org/github.com/go-kivik/kivik/driver)
+[`github.com/go-kivik/kivik/driver`](http://pkg.go.dev/github.com/go-kivik/kivik/v4/driver)
 interface. You must import the driver and can then use the full
-[`Kivik`](http://godoc.org/github.com/go-kivik/kivik) API. Please consult the
-[Kivik wiki](https://github.com/go-kivik/kivik/wiki) for complete documentation
-and coding examples.
+[`Kivik`](http://pkg.go.dev/github.com/go-kivik/kivik/v4) API.
 
 ```go
 package main